Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10611923 | Azetidinium-containing copolymers and uses thereof | Troy Vernon Holland, Frank Chang, Yongxing Qiu, John Dallas Pruitt, Chung-Yuan Chiang +2 more | 2020-04-07 |
| 10598825 | Soft silicone medical devices with durable lubricious coatings thereon | Xinming Qian, Frank Chang, Yasuo Matsuzawa | 2020-03-24 |
| 10324233 | Soft silicone medical devices with durable lubricious coatings thereon | Xinming Qian, Frank Chang, Yasuo Matsuzawa | 2019-06-18 |
| 10100219 | Azetidinium-containing copolymers and uses thereof | Troy Vernon Holland, Frank Chang, Yongxing Qiu, John Dallas Pruitt, Chung-Yuan Chiang +2 more | 2018-10-16 |
| 9950483 | Method for determining the surface concentration of carboxyl groups on a lens | Xinming Qian, Frank Chang, Troy Vernon Holland, Yongxing Qiu | 2018-04-24 |
| 9921340 | Water-processable silicone-containing prepolymers and uses thereof | Jinyu Huang, Frank Chang, Robert Scott, Arturo Norberto Medina, Selma Kuyu +2 more | 2018-03-20 |
| 9810812 | Method for producing contact lenses with durable lubricious coatings thereon | Xinming Qian, Frank Chang, Yasuo Matsuzawa | 2017-11-07 |
| 9720139 | Polymerizable polysiloxanes with hydrophilic substituents | Frank Chang, Jinyu Huang | 2017-08-01 |
| 9637582 | Polymerizable polysiloxanes with hydrophilic substituents | Frank Chang, Jinyu Huang | 2017-05-02 |
| 9500775 | Actinically-crosslinkable amphiphilic prepolymers | Frank Chang | 2016-11-22 |
| 9052440 | Chain-extended polysiloxane crosslinkers with dangling hydrophilic polymer chains | Selma Kuyu, Dawn A. Smith, Jinyu Huang, Frank Chang, Robert Scott +1 more | 2015-06-09 |